Air brake hose coupling with locking device

Details Air brake hose coupling with locking device Air brake hose coupling with locking device

2007-03-23

2008-12-09

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Identical halves

Transverse port

C285S062000, C285S063000, C285S065000, C285S068000, C285S078000

Reexamination Certificate

active

07461869

ABSTRACT:
“An air brake hose coupling member includes a locking device having a housing with a first aperture for attachment to the air brake hose coupling member and a second aperture for attachment to a hose support member which is adjusted to provide a predetermined clearance between the air brake hose coupling and a rail track. A locking pin is mounted for reciprocal movement within the housing and is being urged. by a resilient member in one direction for preventing undesirable complete rotational uncoupling of such pair of mating air brake hose coupling members. The locking pin is manually movable in the opposite direction during coupling and uncoupling under normal operating conditions. Alternatively, the housing is provided as a boss formed on a body of the air brake hose coupling.”

REFERENCES:
patent: 1112850 (1914-10-01), Sherer
patent: 2501639 (1950-03-01), Warren
patent: 3892431 (1975-07-01), Booth
patent: 3941254 (1976-03-01), Sweger
patent: 4129323 (1978-12-01), Wilson
patent: 4747623 (1988-05-01), Newcomb et al.
patent: 5388864 (1995-02-01), Kozinski
patent: 5911444 (1999-06-01), Bucher et al.
patent: 5971442 (1999-10-01), Kozinski et al.
patent: 6669237 (2003-12-01), Burch et al.

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